National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity, 1.36 kg Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Great STEM Science Kit for Boys and Girls by Amazon.co.uk

Price last update: 12/06/2025
  • CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
  • A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75% quieter overall than plastic tumbler barrels.
  • ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some! You get 1.36 kg of rough rocks with nine different types of gemstones inside, five jewellery fastenings, grit, a strainer, and our innovative new GemFoam rock polisher.
  • USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine!
  • SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.

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    Description

    National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity, 1.36 kg Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Great STEM Science Kit for Boys and Girls:
    If you're looking to expand your rock collection and turn them into stunning pieces of jewelry, the National Geographic Rock Tumbler Kit is the perfect kit for you. This professional rock tumbler has a massive 1.36 kg capacity, which is ideal for even the largest rough rocks. With this kit, you can easily turn rough rocks into polished gems while creating a collection of gemstones from around the world.

    This kit contains everything you need including a variety of gemstones with different sizes and shapes, five jewelry fastenings, grit, a strainer, and our innovative new GemFoam rock polisher. You get five jewelry fastenings including a necklace, ring, clip-on earrings, a bracelet, and a pendant. With GemFoam, you can add dazzling shine to your polished stones! This rock tumbler is perfect for children, teenagers, or anyone interested in learning more about science or DIY projects.

    This tumbler has everything you need and more! The tumbler features a durable motor with a variety of settings so that you can choose your desired tumble time and speed. You also get a leak-proof barrel with a stainless-steel lid, which reduces sound while your stones tumbled. This tumbler has an innovative design and is the best in its category due to its high quality and reliability. You can trust that your finished stones are top quality.

    This tumbler is perfect for anyone interested in STEM (Science, Technology, Education, or Math) education. You'll be able to explore and experiment with different methods of gemstone production. Plus, National Geographic Society's commitment to science education is one of the world's largest nonprofit scientific educational organizations.

    The National Geographic Society has a mission to inspire people to care about the planet and this kit can contribute to that mission. You can create a truly impressive gemstone collection by using this professional-level rock tumbler, which has all the necessary accessories to turn rough rocks into polished jewels. So why wait? Get your kit today and start your rock collection adventure with National Geographic!

    Product information

      • Size:Large
      • Brand:National Geographic
      • Age range (description):8 years and up
      • Item dimensions L x W x H:32 x 26 x 17 centimetres
      • Item weight:3.7 Kilograms
      • Product Dimensions:32 x 26.04 x 17.02 cm; 3.7 Kilograms
      • Part number:NGTUMBLER3LB
      • Material type:Stainless Steel
      • Manufacturer:JMW Sales, Inc.
      • Item model number:NGTUMBLER3LB
      • ASIN:B08DL95CWL

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      National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity, 1.36 kg Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Great STEM Science Kit for Boys and Girls
      National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity, 1.36 kg Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Great STEM Science Kit for Boys and Girls by Amazon.co.uk
      Price last update: 12/06/2025